Mitosis Flashcards

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1
Q

Cells divide for….

A

Growth and repair

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2
Q

Every human cell contains how many chromosomes

A

46

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3
Q

What is the chromosome compliment

A

The number of chromosomes an organism has in one cell

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4
Q

Chromosomes are organised in..

A

Matching sets, thereby they’re are 23 in a normal human cell

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5
Q

What are Diploids

A

A pair of chromosomes

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6
Q

What are the only human cells not to have 46 chromosomes

A

Sex cells

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7
Q

What are Haploid cells

A

Cells with half the number of chromosomes (sex cells)

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8
Q

What is mitosis

A

The process of a cell dividing to form a new cell with exactly the same genetic information

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9
Q

A chromatid is….

A

Half a chromosome

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10
Q

A chromosome is…

A

Two chromatids divided by a centromere

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11
Q

What is stage 1 of mitosis

A

Long un-coiled chromosomes in nucleus replicate

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12
Q

What is stage 2 of mitosis

A

Chromosomes now appear as two identical chromatids joined together by a centromere

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13
Q

What is stage 3 of mitosis

A

Nuclear membrane dissipates. Spindle fibres form and chromosomes line up along the equator

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14
Q

What is stage 4 of mitosis

A

Spindle fibres pull chromatids to opposite ends of the cell/pole

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15
Q

What is stage 5 of mitosis

A

Nuclear membrane reforms and cytoplasm divides

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16
Q

What is stage 6 of mitosis

A

Two identical daughter cells each containing exactly the same information as the parent cell